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3. Check if green light in front control panel is 'ON'; If it is 'OFF', check if there is correct power supply from
plug and/or the fuse in the socket or the fuses inside the electric panel.
If fuses are broken, check everything as below at "HIPS" alarm and also if inside temperature is too high.
4. Unit under alarm; if the alarm led (red) is on, unit is stopped and display shoes the following alarms:
PROBLEM
+ " PunP"
+ "LOPS"
+ "HIPS"
7. IF THE MACHINE DOESN'T WORK
PROBABLE CAUSE and CORRECTIVE ACTION
The internal alarm of pump is ON. Empty the tank of the pump (with a
suction pump) and then check if the pump correctly works.
The alarm is reset when the water is removed from the tank of the
pump.
It may mean that the inside air filter is very dusty; another cause may
be that there is a refrigerant leakage in the refrigerant circuit.
After having made these checks and solved the problem, unplug and
plug the machine to reset the alarm.
Check if water connections are correctly inserted, or if glycol-water
pump is working correctly, if water level in the expansion tank is correct,
or if outside fan is working correctly, or if outside temperature is too
high (over 35-40°C situation can be critic).
After having made these checks and solved the problem, press the
reset-button of HPS, unplug and plug the machine to reset the alarm.
29
HPS Switch
DE
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